tve chaos. thousands of flights canceled as millions return from the holida holidays.ng shortages. what they're now calling on the cdc to do. >>> christmas tragedy. a house fire in pennsylvania claims three lives. officials now looking into what caused the blaze. >>> plus, a major british tabloid issues a formal apology

tve chaos. thousands of flights canceled as millions return from the holida holidays. airlines strained from covid-related staffing shortages. what they're now calling on the cdc to do. >>> christmas tragedy. a house fire in pennsylvania claims three lives. officials now looking into what caused the blaze. >>> plus, a major british tabloid issues a formal apology to duchess meghan markle. >>> and a cowboy crushing. america's team decimating. all the updates coming up. >>> and a major box office milestone. all the trending stories for your monday morning. >>> good monday morning, everyone. i'm andrew dymburt and i'm reyan nonally in for mona. we want to begin with the fast-spreading omicron variant throwing a huge wrench in holiday plans across the country. >> travelers are bracing for another round of flight cancellations triggered by covid-related sick calls. >> with test kits still in short supply, people are continuing to wit wait in line for hours. >> reporter: this morning, as millions of americans rush to get tested after gathering for the holidays, the omicron s